Thomas j



'forming port of this specification, 'in whichor jourhcl, throughthe line y y, lig. 2.

I the thimble B. 'The thimble B is perforated with holes, c c, as

plied with cil suiciently to keep them perfectly lubricated.

@uitrit 'glatte atmt @fi-'intl'- THOMAS .r BOWLEY AND WILL-IAM POLAND', OE- OHILLIOOTHE, OHIO Lem" Paten: NQ. 75,465, dan-a March 1o, 186s.

IMPROVEMENT 1N. LUBmcATING-soxns.

Ehrhzhnh nfirrih tu' in time 3mm atent :mh making-grrr sf ihr 'am'.

T0 ALL WHOM IT MAY CONCERN e Beit known that we, THOMAS J. RowLnr and WILLIAM P'onmmof Chilliccthe,in the county of Ross, and State of Ohio, have invented s. new and useful Improvement in LubricatingBox for cranks, crenk-pius, and journals .and we do hereby declare that thefollowing is e full, clesrnnd exact description thereof, which willl enable those skilled in theart to make and use the same, reference being-had to the accompanying drawings,

Figure 1 represents a centi-sl longitudinal section of our improved lubricating-box, attached to a crank-pn Figure 2 represents a. cross-section through the line a: z, iig. 1.

Similar letters of reference indicate'corresponding parte.

The object of this invention is to feed the oil for lubrication of cranlrs, in stetinary benrings and the improvement .consists in fitting e thimble c for it to run in, in which thimble are holes for Ithe admission of oil from a ri i the thimble, as hereinafter fully described.

A represents n crank-pin or the wrist of a locomotive-link,

which is also tted' within. e. box, C, in the middle part of which box is an annular oil-chamber, a, surrounding many as required, und the box C is perforated -chamber a, for the purpose of filling it.

` which passes through the feeding-holescc in the thimble'B, which cape, while the rubbing-surfaces will always'be sup- The oil will be kept perfectly free from dust and dirt b y closing the lilling-apertureewith ,a stopple, which may or may not be used, a`s the annular chamber will be-El led with cotton to liltervthe oil.

. THOMAS J. ROWLEL WM. POLAND.

Witnesses:

S'EPHEN O. HAND, DANIEL J. MULHONY.4

on which is fitted loosely s thimble or sleeve, B, v 

